package com.itheima.interceptor;

import com.itheima.domain.User;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ResourcesInterceptor extends HandlerInterceptorAdapter {
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        User user = (User) request.getSession().getAttribute("USER_SESSION");
        String uri = request.getRequestURI();
        if(user!=null){
            return true;
        }
        if (uri.indexOf("login")>=0){
            return true;
        }
        request.setAttribute("msg","您还没有登录，请先登录！");
        request.getRequestDispatcher("/admin/login.jsp").forward(request, response);
        return false;
    }
}
